Ajouts
| De | Nom | Pos | Équipe | Équipe | ||
|---|---|---|---|---|---|---|
| 02/2026 |  | Izan Coulibaly | G | |||
| 02/2026 | | Jano | M |  | Atlético Madrid | Atlético |
| 02/2026 | | Marcos Parriego | M |  | FC Barcelona B | Barcelona B |
| 02/2026 | | Rafa Llorente | A |  | AD Alcorcón | Alcorcón |
| 01/2026 |  | Marko Perović | A |  | UD Almería | Almería |
| 01/2026 | | Jorge Domínguez | D |  | Atlético Madrid U19 | Atlético U19 |
| 01/2026 | | Dani Muñoz | M |  | Atletico Madrid C | Atlético C |
| 01/2026 | | Jesús Barrios | M | | Atlético Madrid U19 | Atlético U19 |
| 01/2026 | | Cristian Grant | M | | Atlético Madrid U19 | Atlético U19 |
| 11/2025 |  | Luis Nájera | M |  | Atlético San Luis | San Luis |
| 11/2025 | | Sergio Sánchez | A | | Atlético Madrid U19 | Atlético U19 |
| 09/2025 | | Javi Aznar | D | |||
| 09/2025 | | Arnau Ortiz | A |  | Śląsk Wrocław | Wrocław |
| 08/2025 |  | Dario Šits | A |  | Parma Calcio 1913 | Parma |
| 07/2025 | | Matías Barboza | D | |||
| 07/2025 |  | Aleksa Puric | D | |||
| 07/2025 |  | Martín Bellotti | M | |||
| 07/2025 | | Mario de Luis | G | | Atlético Madrid | Atlético |
| 07/2025 | | Romeo Hueso | D | | Atlético Madrid U19 | Atlético U19 |
| 07/2025 | | Javi Morcillo | M |  | CE Sabadell | Sabadell |
| 07/2025 |  | Taufik | M |  | Atlético Madrid U17 | U17 |
| 07/2025 | | Miguel Cubo | A | | Atlético Madrid U17 | U17 |
Aliénations
| De | Nom | Pos | Équipe | Équipe | ||
|---|---|---|---|---|---|---|
| 07/2025 | | Alejandro Iturbe | G |  | Elche CF | Elche CF |
| 07/2025 | | Adrián Niño | A |  | Málaga CF | Málaga |
| 07/2025 | | Antonio Gomis | G |  | FC Vizela | Vizela |
| 07/2025 |  | Ilias Kostis | D | | Atlético Madrid | Atlético |
| 07/2025 | | Martín Pascual | D |  | CD Mirandés | Mirandés |
| 07/2025 |  | Seydou Fall | D |  | Granada CF | Granada CF |
| 07/2025 | | Joaquín González | M |  | Cádiz CF | Cádiz |
| 07/2025 | | Selu Diallo | M |  | CD Alavés | Alavés |
| 07/2025 | | Ale García | A |  | UD Las Palmas | UD Las Palmas |